text: // RUN: %clang_cc1 -triple spir64-unknown-unknown-sycldevice -fsycl-is-device -disable-llvm-passes -emit-llvm %s -o - | FileCheck %s
  // CHECK: @[[LAMBDA_KERNEL3:[^\w]+]] = private unnamed_addr constant [[LAMBDA_K3_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZ4mainEUlPZ4mainEUlvE_E_\00"
  // CHECK: @[[INT1:[^\w]+]] = private unnamed_addr constant [[INT_SIZE:\[[0-9]+ x i8\]]] c"_ZTSi\00"
  // CHECK: @[[STRING:[^\w]+]] = private unnamed_addr constant [[STRING_SIZE:\[[0-9]+ x i8\]]] c"_ZTSAppL_ZZ4mainE1jE_i\00",
  // CHECK: @[[INT2:[^\w]+]] = private unnamed_addr constant [[INT_SIZE]] c"_ZTSi\00"
  // CHECK: @[[LAMBDA_X:[^\w]+]] = private unnamed_addr constant [[LAMBDA_X_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE_\00"
  // CHECK: @[[MACRO_X:[^\w]+]] = private unnamed_addr constant [[MACRO_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE0_\00"
  // CHECK: @[[MACRO_Y:[^\w]+]] =  private unnamed_addr constant [[MACRO_SIZE]] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE1_\00"
  // CHECK: @{{.*}} = private unnamed_addr constant [32 x i8] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE2_\00", align 1
  // CHECK: @{{.*}} = private unnamed_addr constant [32 x i8] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE3_\00", align 1
  // CHECK: @[[MACRO_MACRO_X:[^\w]+]] = private unnamed_addr constant [[MACRO_MACRO_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE4_\00"
  // CHECK: @[[MACRO_MACRO_Y:[^\w]+]] = private unnamed_addr constant [[MACRO_MACRO_SIZE]] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE5_\00"
  // CHECK: @[[INT3:[^\w]+]] = private unnamed_addr constant [[INT_SIZE]] c"_ZTSi\00"
  // CHECK: @[[LAMBDA:[^\w]+]] = private unnamed_addr constant [[LAMBDA_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZZ4mainENKUlvE0_clEvEUlvE_\00"
  // CHECK: @[[LAMBDA_IN_DEP_INT:[^\w]+]] = private unnamed_addr constant [[DEP_INT_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZ28lambda_in_dependent_functionIiEvvEUlvE_\00",
  // CHECK: @[[LAMBDA_IN_DEP_X:[^\w]+]] = private unnamed_addr constant [[DEP_LAMBDA_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZ28lambda_in_dependent_functionIZZ4mainENKUlvE0_clEvEUlvE_EvvEUlvE_\00",
  // CHECK: @[[LAMBDA_NO_DEP:[^\w]+]] = private unnamed_addr constant [[NO_DEP_LAMBDA_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZ13lambda_no_depIidEvT_T0_EUlidE_\00",
  // CHECK: @[[LAMBDA_TWO_DEP:[^\w]+]] = private unnamed_addr constant [[DEP_LAMBDA1_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZ14lambda_two_depIZZ4mainENKUlvE0_clEvEUliE_ZZ4mainENKS0_clEvEUldE_EvvEUlvE_\00",
  // CHECK: @[[LAMBDA_TWO_DEP2:[^\w]+]] = private unnamed_addr constant [[DEP_LAMBDA2_SIZE:\[[0-9]+ x i8\]]] c"_ZTSZ14lambda_two_depIZZ4mainENKUlvE0_clEvEUldE_ZZ4mainENKS0_clEvEUliE_EvvEUlvE_\00",
  
  extern "C" void puts(const char *) {}
  
  template <typename T>
  void template_param() {
    puts(__builtin_sycl_unique_stable_name(T));
  }
  
  template <typename T>
  void lambda_in_dependent_function() {
    auto y = [] {};
    puts(__builtin_sycl_unique_stable_name(decltype(y)));
  }
  
  template <typename Tw, typename Tz>
  void lambda_two_dep() {
    auto z = [] {};
    puts(__builtin_sycl_unique_stable_name(decltype(z)));
  }
  
  template <typename Tw, typename Tz>
  void lambda_no_dep(Tw a, Tz b) {
    auto p = [](Tw a, Tz b) { return ((Tz)a + b); };
    puts(__builtin_sycl_unique_stable_name(decltype(p)));
  }
  
  #define DEF_IN_MACRO()                                        \
    auto MACRO_X = []() {};                                     \
    auto MACRO_Y = []() {};                                     \
    puts(__builtin_sycl_unique_stable_name(decltype(MACRO_X))); \
    puts(__builtin_sycl_unique_stable_name(decltype(MACRO_Y)));
  
  #define MACRO_CALLS_MACRO() \
    { DEF_IN_MACRO(); }       \
    { DEF_IN_MACRO(); }
  
  template <typename Ty>
  auto func() -> decltype(__builtin_sycl_unique_stable_name(decltype(Ty::str)));
  
  struct Derp {
    static constexpr const char str[] = "derp derp derp";
  };
  
  template <typename KernelName, typename KernelType>
  [[clang::sycl_kernel]] void kernel_single_task(KernelType kernelFunc) {
    kernelFunc();
  }
  
  int main() {
    kernel_single_task<class kernel2>(func<Derp>);
    // CHECK: call spir_func void @_Z18kernel_single_taskIZ4mainE7kernel2PFPKcvEEvT0_(i8 addrspace(4)* ()* noundef @_Z4funcI4DerpEDTu33__builtin_sycl_unique_stable_nameDtsrT_3strEEEv)
  
    auto l1 = []() { return 1; };
    auto l2 = [](decltype(l1) *l = nullptr) { return 2; };
    kernel_single_task<class kernel3>(l2);
    puts(__builtin_sycl_unique_stable_name(decltype(l2)));
    // CHECK: call spir_func void @_Z18kernel_single_taskIZ4mainE7kernel3Z4mainEUlPZ4mainEUlvE_E_EvT0_
    // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[LAMBDA_K3_SIZE]], [[LAMBDA_K3_SIZE]]* @[[LAMBDA_KERNEL3]], i32 0, i32 0) to i8 addrspace(4)*))
  
    constexpr const char str[] = "lalala";
    static_assert(__builtin_strcmp(__builtin_sycl_unique_stable_name(decltype(str)), "_ZTSA7_Kc\0") == 0, "unexpected mangling");
  
    int i = 0;
    puts(__builtin_sycl_unique_stable_name(decltype(i++)));
    // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[INT_SIZE]], [[INT_SIZE]]* @[[INT1]], i32 0, i32 0) to i8 addrspace(4)*))
  
    // FIXME: Ensure that j is incremented because VLAs are terrible.
    int j = 55;
    puts(__builtin_sycl_unique_stable_name(int[++j]));
    // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[STRING_SIZE]], [[STRING_SIZE]]* @[[STRING]], i32 0, i32 0) to i8 addrspace(4)*))
  
    // CHECK: define internal spir_func void @_Z18kernel_single_taskIZ4mainE7kernel2PFPKcvEEvT0_
    // CHECK: declare spir_func noundef i8 addrspace(4)* @_Z4funcI4DerpEDTu33__builtin_sycl_unique_stable_nameDtsrT_3strEEEv
    // CHECK: define internal spir_func void @_Z18kernel_single_taskIZ4mainE7kernel3Z4mainEUlPZ4mainEUlvE_E_EvT0_
    // CHECK: define internal spir_func void @_Z18kernel_single_taskIZ4mainE6kernelZ4mainEUlvE0_EvT0_
  
    kernel_single_task<class kernel>(
        []() {
          puts(__builtin_sycl_unique_stable_name(int));
          // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[INT_SIZE]], [[INT_SIZE]]* @[[INT2]], i32 0, i32 0) to i8 addrspace(4)*))
  
          auto x = []() {};
          puts(__builtin_sycl_unique_stable_name(decltype(x)));
          // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[LAMBDA_X_SIZE]], [[LAMBDA_X_SIZE]]* @[[LAMBDA_X]], i32 0, i32 0) to i8 addrspace(4)*))
  
          DEF_IN_MACRO();
          // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[MACRO_SIZE]], [[MACRO_SIZE]]* @[[MACRO_X]], i32 0, i32 0) to i8 addrspace(4)*))
          // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[MACRO_SIZE]], [[MACRO_SIZE]]* @[[MACRO_Y]], i32 0, i32 0) to i8 addrspace(4)*))
  
          MACRO_CALLS_MACRO();
          // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[MACRO_MACRO_SIZE]], [[MACRO_MACRO_SIZE]]* @[[MACRO_MACRO_X]], i32 0, i32 0) to i8 addrspace(4)*))
          // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[MACRO_MACRO_SIZE]], [[MACRO_MACRO_SIZE]]* @[[MACRO_MACRO_Y]], i32 0, i32 0) to i8 addrspace(4)*))
  
          template_param<int>();
          // CHECK: call spir_func void @_Z14template_paramIiEvv
  
          template_param<decltype(x)>();
          // CHECK: call spir_func void @_Z14template_paramIZZ4mainENKUlvE0_clEvEUlvE_Evv
  
          lambda_in_dependent_function<int>();
          // CHECK: call spir_func void @_Z28lambda_in_dependent_functionIiEvv
  
          lambda_in_dependent_function<decltype(x)>();
          // CHECK: call spir_func void @_Z28lambda_in_dependent_functionIZZ4mainENKUlvE0_clEvEUlvE_Evv
  
          lambda_no_dep<int, double>(3, 5.5);
          // CHECK: call spir_func void @_Z13lambda_no_depIidEvT_T0_(i32 noundef 3, double noundef 5.500000e+00)
  
          int a = 5;
          double b = 10.7;
          auto y = [](int a) { return a; };
          auto z = [](double b) { return b; };
          lambda_two_dep<decltype(y), decltype(z)>();
          // CHECK: call spir_func void @_Z14lambda_two_depIZZ4mainENKUlvE0_clEvEUliE_ZZ4mainENKS0_clEvEUldE_Evv
  
          lambda_two_dep<decltype(z), decltype(y)>();
          // CHECK: call spir_func void @_Z14lambda_two_depIZZ4mainENKUlvE0_clEvEUldE_ZZ4mainENKS0_clEvEUliE_Evv
        });
  }
  
  // CHECK: define linkonce_odr spir_func void @_Z14template_paramIiEvv
  // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[INT_SIZE]], [[INT_SIZE]]* @[[INT3]], i32 0, i32 0) to i8 addrspace(4)*))
  
  // CHECK: define internal spir_func void @_Z14template_paramIZZ4mainENKUlvE0_clEvEUlvE_Evv
  // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[LAMBDA_SIZE]], [[LAMBDA_SIZE]]* @[[LAMBDA]], i32 0, i32 0) to i8 addrspace(4)*))
  
  // CHECK: define linkonce_odr spir_func void @_Z28lambda_in_dependent_functionIiEvv
  // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[DEP_INT_SIZE]], [[DEP_INT_SIZE]]* @[[LAMBDA_IN_DEP_INT]], i32 0, i32 0) to i8 addrspace(4)*))
  
  // CHECK: define internal spir_func void @_Z28lambda_in_dependent_functionIZZ4mainENKUlvE0_clEvEUlvE_Evv
  // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[DEP_LAMBDA_SIZE]], [[DEP_LAMBDA_SIZE]]* @[[LAMBDA_IN_DEP_X]], i32 0, i32 0) to i8 addrspace(4)*))
  
  // CHECK: define linkonce_odr spir_func void @_Z13lambda_no_depIidEvT_T0_(i32 noundef %a, double noundef %b)
  // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[NO_DEP_LAMBDA_SIZE]], [[NO_DEP_LAMBDA_SIZE]]* @[[LAMBDA_NO_DEP]], i32 0, i32 0) to i8 addrspace(4)*))
  
  // CHECK: define internal spir_func void @_Z14lambda_two_depIZZ4mainENKUlvE0_clEvEUliE_ZZ4mainENKS0_clEvEUldE_Evv
  // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[DEP_LAMBDA1_SIZE]], [[DEP_LAMBDA1_SIZE]]* @[[LAMBDA_TWO_DEP]], i32 0, i32 0) to i8 addrspace(4)*))
  
  // CHECK: define internal spir_func void @_Z14lambda_two_depIZZ4mainENKUlvE0_clEvEUldE_ZZ4mainENKS0_clEvEUliE_Evv
  // CHECK: call spir_func void @puts(i8 addrspace(4)* noundef addrspacecast (i8* getelementptr inbounds ([[DEP_LAMBDA2_SIZE]], [[DEP_LAMBDA2_SIZE]]* @[[LAMBDA_TWO_DEP2]], i32 0, i32 0) to i8 addrspace(4)*))
  